Okla. Stat. tit. 59, § 59-1212: Ineligibility for registration

No person shall qualify as a registered forester unless the

person graduated from a university or college with a curriculum in

forestry acceptable to the Oklahoma Department of Agriculture, Food,

and Forestry, including one three-credit course in each of the

following subjects: silviculture, forest protection, forest

management, forest economics, and forest utilization, and who has a

record of an additional two (2) years or more of experience in

forestry work of a character satisfactory to the Department, and

indication that the applicant is competent to practice professional

forestry.